Model Library
GoogleReleased September 25, 2025Gemini 2.5 Flash (Sep)
Google · Released September 25, 2025
Intelligence score
19
At a glance
- Intelligence
- 19
- Speed
- —
- Latency
- —
- Input price
- Not published
- Output price
- Not published
- Context window
- 3tokens
- Parameters
- —
Summary
Comparison summary
Gemini 2.5 Flash Preview (Sep '25) (Non-reasoning) scores 19 (estimated) on the Artificial Analysis Intelligence Index, placing it well above average among other non-reasoning models in a similar price tier (median: 8).
Specifications
Technical specifications
| Model name | Gemini 2.5 Flash (Sep) |
|---|---|
| Provider | |
| Release date | September 25, 2025 |
| Intelligence score | 19 |
| Speed | — |
| Latency (TTFT) | — |
| Input price | Not published |
| Output price | Not published |
| Context window | 3 tokens |
| Parameters | — |
| Reasoning | No |
| Input modalities | text, image, audio, video |
| Output modalities | — |
| Open weights | No |
| License | — |
| API availability | — |
| Source | Model Intelligence legacy profile: gemini-2-5-flash-preview-09-2025 |
FAQ · 14
Frequently asked questions
Gemini 2.5 Flash Preview (Sep '25) (Non-reasoning) was released on September 25, 2025.
Gemini 2.5 Flash Preview (Sep '25) (Non-reasoning) was created by Google.
Gemini 2.5 Flash Preview (Sep '25) (Non-reasoning) scores 19 (estimated) on the Artificial Analysis Intelligence Index, placing it well above average among other non-reasoning models in a similar price tier (median: 8).
No, Gemini 2.5 Flash Preview (Sep '25) (Non-reasoning) is not a reasoning model. It provides direct responses without extended chain-of-thought reasoning.
Gemini 2.5 Flash Preview (Sep '25) (Non-reasoning) supports text, image, speech, and video input.
Gemini 2.5 Flash Preview (Sep '25) (Non-reasoning) supports text output.
Yes, Gemini 2.5 Flash Preview (Sep '25) (Non-reasoning) supports image input and can analyze, describe, and answer questions about images.
Yes, Gemini 2.5 Flash Preview (Sep '25) (Non-reasoning) is multimodal. It can process text, image, speech, and video input and generate text output.
Gemini 2.5 Flash Preview (Sep '25) (Non-reasoning) has a context window of 1.0M tokens. This determines how much text and conversation history the model can process in a single request.
No, Gemini 2.5 Flash Preview (Sep '25) (Non-reasoning) is proprietary. The model weights are not publicly available.
Gemini 2.5 Flash Preview (Sep '25) (Non-reasoning) is a proprietary model and Google has not disclosed the model size or parameter count.
Gemini 2.5 Flash Preview (Sep '25) (Non-reasoning) achieves a score of 19 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding.
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